Allen Bradley 1746-NI4/A Analog Input Module – High Resolution, 4-Channel Analog Input

Allen Bradley 1746-NI4/A Analog Input Module – High-Resolution Industrial Signal Acquisition

Engineered for precision data acquisition in demanding industrial environments, the Allen Bradley 1746-NI4/A analog input module delivers 4-channel high-resolution analog-to-digital conversion with ±0.1% accuracy. Designed for seamless integration with SLC 500 systems, this module ensures reliable signal processing for critical automation applications.

Key Features

• 4-Channel High-Resolution Input: Supports -20 to 20 mA current and -10 to 10 VDC voltage measurements with 1 LSB resolution
• Industrial-Grade Protection: 500 VDC backplane isolation and 7.5 VAC RMS overvoltage safeguards
• Flexible Input Configuration: Accepts both common-mode (-20 to 20 V) and differential signals
• Low Power Consumption: 35 mA at 5V / 85 mA at 24V backplane current draw
• Robust Mechanical Design: Open-type enclosure for reliable operation in industrial environments

Technical Specifications

Application Fields

This analog input module excels in process control systems requiring precise sensor data acquisition, including:

• Manufacturing automation lines
• Chemical/petrochemical plant monitoring
• Power generation control systems
• Water/wastewater treatment facilities
• Metalworking machinery applications

Our Featured Industrial Control Brands

Allen Bradley: 1746-NI4/A, 1756-L73, 1784-KTXD
Bently Nevada: 3500/44, 3300/15, 1900/20
Triconex: 3008, 3703X, 4351B
GE Fanuc: VMIVME-7807, IC698CPE010
ABB: PM866, 5SHY3545L0010
Woodward: 8521-0312, 9907-164
Emerson: OVATION, WDPF Systems